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ClinicalTrials.gov public records Last synced Oct 3, 2026, 9:15 PM EDT

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Showing 145–168 of 738 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: smoking cessation intervention Clear all
Completed Phase 4 Interventional Results available

Evaluation of National Cancer Institute (NCI) Smoking Intervention Resources

NCT01342523
View directory record Official record
Conditions
Smoking Cessation, Smoking, Nicotine Dependence
Interventions
CIS - telephone cessation quitline counseling, Lozenge - nicotine mini-lozenges, Emails - Brief smoking prevention messages, Full website - standard smokefree.gov website content, Lite website - lite version of smokefree.gov, Full mailed booklet - NCI's detailed 36-page quit guide, brief mailed booklet - smaller version of NCI's booklet
Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
1,034 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 14, 2015 · Synced Oct 3, 2026, 9:15 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Enhancing Smoking Cessation in the Homeless Population

NCT01932996
View directory record Official record
Conditions
Cigarette Smoking, Tobacco Smoking, Smoking, Tobacco
Interventions
nicotine patch plus nicotine gum/lozenge, Intensive Alcohol Intervention
Drug · Behavioral
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 75 Years
Enrollment
352 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 19, 2020 · Synced Oct 3, 2026, 9:15 PM EDT
Completed Phase 4 Interventional Results available

Health Education Counseling With or Without Bupropion in Helping African Americans Stop Smoking

NCT00666978
View directory record Official record
Conditions
Bladder Cancer, Cervical Cancer, Esophageal Cancer, Gastric Cancer, Head and Neck Cancer, Kidney Cancer, Leukemia, Liver Cancer, Lung Cancer, Pancreatic Cancer, Tobacco Use Disorder
Interventions
smoking cessation intervention, bupropion hydrochloride, gene expression analysis, polymerase chain reaction, counseling intervention, educational intervention, psychosocial assessment and care
Behavioral · Drug · Genetic + 2 more
Lead sponsor
Lisa Sanderson Cox, PhD
Other
Eligibility
18 Years and older
Enrollment
540 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
2
States / cities
Kansas City, Kansas • Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Nov 13, 2017 · Synced Oct 3, 2026, 9:15 PM EDT
Completed Not applicable Interventional Results available

Smoking Cessation Using Motivational Therapy and Varenicline

NCT00701896
View directory record Official record
Conditions
Smoking, HIV Infections
Interventions
Varenicline tartrate, Nicotine Replacement Therapy, Biological Control, Motivational Interview
Drug · Other · Behavioral
Lead sponsor
Philip Diaz
Other
Eligibility
18 Years and older
Enrollment
294 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 15, 2021 · Synced Oct 3, 2026, 9:15 PM EDT
Completed No phase listed Observational

A Focus Group Study to Explore Smoking Triggers and Acceptability of Just-in-time Adaptive Intervent

NCT05231421
View directory record Official record
Conditions
Smoking, Smoking Cessation, Smoking Behaviors
Interventions
Focus Group
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 89 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Feb 7, 2025 · Synced Oct 3, 2026, 9:15 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Mindset Intervention for Nicotine Dependence

NCT03174730
View directory record Official record
Conditions
Psychology, Social, Smoking Cessation, Smoking (Tobacco) Addiction
Interventions
Growth Mindset, SmartQuit
Behavioral
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
398 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Feb 6, 2018 · Synced Oct 3, 2026, 9:15 PM EDT
Completed Not applicable Interventional

Web and Mobile Smoking Cessation

NCT01952236
View directory record Official record
Conditions
Smoking
Interventions
Web+Mobile, Web Only
Behavioral
Lead sponsor
Oregon Research Institute
Other
Eligibility
18 Years and older
Enrollment
1,266 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Eugene, Oregon
Source: ClinicalTrials.gov public record
Updated Feb 12, 2019 · Synced Oct 3, 2026, 9:15 PM EDT
Completed Not applicable Interventional Results available

Kids Safe and Smokefree (KiSS)

NCT01745393
View directory record Official record
Conditions
Second Hand Tobacco Smoke, Nicotine Dependence
Interventions
Clinic Quality Improvement + Behavioral Counseling, Clinic Quality Improvement + Attention Control
Behavioral
Lead sponsor
Temple University
Other
Eligibility
18 Years and older
Enrollment
327 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
4
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 8, 2018 · Synced Oct 3, 2026, 9:15 PM EDT
Completed Not applicable Interventional

HCV-Smoking Cessation Study

NCT05466981
View directory record Official record
Conditions
Hepatitis C, Smoking Cessation
Interventions
Cognitive Behavioral Counseling
Behavioral
Lead sponsor
Prisma Health-Upstate
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Greenville, South Carolina
Source: ClinicalTrials.gov public record
Updated Jul 20, 2022 · Synced Oct 3, 2026, 9:15 PM EDT
Completed Phase 2 Interventional

Brief Intervention to Prevent Poor Psychosocial Outcomes in Living Donors

NCT01233700
View directory record Official record
Conditions
Living Donation
Interventions
Motivational Interviewing, Healthy Lifestyles Education
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
113 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 2, 2022 · Synced Oct 3, 2026, 9:15 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Gradual vs. Abrupt Cessation Treatment for Smoking

NCT00297492
View directory record Official record
Conditions
Smoking Cessation
Interventions
Reduction Phone Counseling, Abrupt Phone Counseling, Minimal Abrupt Phone Counseling, Pre-Quit Nicotine Lozenges, Post-Quit Nicotine Lozenges
Behavioral · Drug
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older
Enrollment
750 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Sep 20, 2013 · Synced Oct 3, 2026, 9:15 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Developing a Smartphone App With Mindfulness Training for Teen Smoking Cessation

NCT02218281
View directory record Official record
Conditions
Cigarette Smoking
Interventions
C2Q-Teen app, NCI's QuitSTART app, Written smoking cessation materials only
Behavioral
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
13 Years to 19 Years
Enrollment
146 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 26, 2016 · Synced Oct 3, 2026, 9:15 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Expert System and Family Assisted Interventions for Chinese Smokers

NCT00714467
View directory record Official record
Conditions
Smoking Cessation
Interventions
Expert System Only, Family Assisted
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
1,280 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2008
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 29, 2013 · Synced Oct 3, 2026, 9:15 PM EDT
Active, not recruiting Not applicable Interventional

Impact of Patient-Centered Approach for Communicating Coronary Calcium on Cardiovascular Health

NCT06055972
View directory record Official record
Conditions
Coronary Artery Disease, Cardiovascular Diseases, Smoking
Interventions
Educational Letter Post CT Examination
Other
Lead sponsor
American College of Radiology
Other
Eligibility
50 Years to 80 Years
Enrollment
800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
2
States / cities
Ann Arbor, Michigan • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Dec 6, 2024 · Synced Oct 3, 2026, 9:15 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Improving the Delivery of Smoking Cessation Guidelines in Hospitalized Veterans

NCT00816036
View directory record Official record
Conditions
Cigarette Smoking
Interventions
Smoking Cessation Guideline Implementation
Behavioral
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years and older
Enrollment
898 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2013
U.S. locations
4
States / cities
Denver, Colorado • Iowa City, Iowa • Minneapolis, Minnesota + 1 more
Source: ClinicalTrials.gov public record
Updated Apr 27, 2015 · Synced Oct 3, 2026, 9:15 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Feasibility of a Medical-Legal Partnership Model to Connect Coal Miners QuitAid

NCT07694492
View directory record Official record
Conditions
Tobacco Use Cessation, Tobacco Use Disorder, Nicotine Dependence, Smokeless Tobacco Use
Interventions
QuitAid (pharmacist-delivered MTM), Nicotine Replacement Therapy (NRT)
Behavioral · Drug
Lead sponsor
University of Virginia
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Jul 10, 2026 · Synced Oct 3, 2026, 9:15 PM EDT
Terminated Not applicable Interventional

Interest in Smokeless Tobacco Product as a Substitution for Cigarettes in Current Smokers

NCT01800500
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
smoking cessation intervention, questionnaire administration, quality-of-life assessment, laboratory biomarker analysis, ecigarettes
Behavioral · Other
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2011
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Sep 13, 2022 · Synced Oct 3, 2026, 9:15 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Penn State TXT2STAYQUIT Study- a Texting Study to Help Hospitalized Smokers Stay Quit

NCT02986711
View directory record Official record
Conditions
Nicotine Dependence, Cigarettes
Interventions
Motivational Text Messages, Control
Behavioral
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
18 Years and older
Enrollment
158 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 19, 2018 · Synced Oct 3, 2026, 9:15 PM EDT
Completed Not applicable Interventional Results available

Family-supported Smoking Cessation for Chronically Ill Veterans

NCT00448344
View directory record Official record
Conditions
Chronic Disease, Neoplasm, Cardiovascular Disease, Pulmonary Disease, Chronic Obstructive, Diabetes Mellitus, Hypertension
Interventions
Family-supported, Standard Telephone counseling
Behavioral
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years and older
Enrollment
471 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 24, 2015 · Synced Oct 3, 2026, 9:15 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Let's STOP Now Trial: Smoking in Trauma Orthopaedic Patients

NCT02428244
View directory record Official record
Conditions
Smoking, Tobacco, Fractures, Bone
Interventions
Motivational Interviewing, Motivational Interviewing + Follow-up
Behavioral
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 79 Years
Enrollment
269 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2019
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 12, 2019 · Synced Oct 3, 2026, 9:15 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Development of Positive Psychotherapy for Smoking Cessation

NCT01451814
View directory record Official record
Conditions
Smoking
Interventions
Positive Psychotherapy for smoking cessation, Nicotine polacrilex, Relaxation training, Behavioral smoking cessation treatment
Behavioral · Drug
Lead sponsor
Brown University
Other
Eligibility
18 Years and older
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Mar 18, 2015 · Synced Oct 3, 2026, 9:15 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Comparative Effectiveness of Mobile Health Smoking Cessation Approaches Among Underserved Patients in Primary Care

NCT05415761
View directory record Official record
Conditions
Tobacco Use Cessation
Interventions
iCanQuit, iCanQuit+Motiv8, Florida quit line
Behavioral
Lead sponsor
University of Florida
Other
Eligibility
21 Years and older
Enrollment
1,332 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jun 12, 2026 · Synced Oct 3, 2026, 9:15 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Testing Counseling Styles to Motivate Smokers to Quit

NCT01188018
View directory record Official record
Conditions
Smoking, Tobacco Use, Nicotine Dependence
Interventions
Brief Advice (BA), Motivational Interviewing (MI), Health Education (HE)
Behavioral
Lead sponsor
University of Missouri, Kansas City
Other
Eligibility
18 Years and older
Enrollment
255 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 4, 2012 · Synced Oct 3, 2026, 9:15 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Penn State TXT2Quit Study

NCT02367391
View directory record Official record
Conditions
Nicotine Dependence, Cigarettes
Interventions
Motivational Text Messages, Control
Behavioral
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
21 Years and older
Enrollment
152 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 15, 2017 · Synced Oct 3, 2026, 9:15 PM EDT